Does your SSDs have TRIM Support? There is a good chance that TRIM Support is disabled and it was done by Apple to prevent damage the drive and your data. To verify, go to About This Mac and then click on the System Report. In the System Report, look for Hardware > SATA/SATA Express and take a look at the drives for related info below.

Samsung SSD 860 QVO 1TB:
Capacity: 1 TB (1,000,204,886,016 bytes)
Model: Samsung SSD 860 QVO 1TB
Revision: RVQ01B6Q
Serial Number: XXXXXXXXXXXXXXX
Native Command Queuing: Yes
Queue Depth: 32
Removable Media: No
Detachable Drive: No
BSD Name: disk0
Medium Type: Solid State
TRIM Support: Yes
Partition Map Type: GPT (GUID Partition Table)
S.M.A.R.T. status: Verified

macOS Terminal Commands
sudo trimforce – Lists the options
sudo trimforce disable – Disables
sudo trimforce enable – Enables
sudo trimforce help – Lists the options

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Stephan Pringle

Chief Executive Officer at Sipylus

About The Author: Stephan Pringle is an Information Technology Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.

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